<template>
  <div class="div">
    <div class="login">
      <el-form ref="loginRef" :model="loginForm" :rules="loginRules" class="login-form">
        <h3 class="title">工作室后台管理系统</h3>

        <el-form-item prop="username">
          <el-input v-model="loginForm.username" type="text" size="large" auto-complete="off" placeholder="账号">
            <template #prefix><svg-icon icon="user" /></template>
          </el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input v-model="loginForm.password" type="password" size="large" auto-complete="off" placeholder="密码"
            @keyup.enter="handleLogin">
            <template #prefix><svg-icon icon="password" /></template>
          </el-input>
        </el-form-item>

        <el-form-item prop="code">
          <el-input v-model="loginForm.code" size="large" auto-complete="off" placeholder="验证码" style="width: 63%"
            @keyup.enter="handleLogin">
            <template #prefix><svg-icon icon="validCode" /></template>
          </el-input>
          <div class="login-code">
            <img :src="codeUrl" @click="getCode" class="login-code-img" />
          </div>
        </el-form-item>
        <el-checkbox v-model="loginForm.rememberMe" style="margin: 0px 0px 25px 0px; color: #000">记住密码</el-checkbox>
        <el-form-item style="width: 100%">
          <el-button size="large" type="" style="width: 100%; font-size: 20px; background-color: rgb(104, 225, 253)"
            @click.prevent="handleLogin">
            <span>Login</span>
          </el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script setup>
import { ref } from "vue";
import Cookies from "js-cookie";
import { encrypt, decrypt } from "@/utils/jsencrypt";
import { getCodeImg } from "@/api/login";
import requestUtil from "@/utils/request";
import { ElMessage } from "element-plus";
import qs from "qs";
import store from "@/store";
import router from "@/router";

const codeUrl = ref("");

const loginRef = ref(null);

const loginForm = ref({
  username: "",
  password: "",
  rememberMe: false,
  code: "",
  uuid: "",
});

const loginRules = {
  username: [{ required: true, trigger: "blur", message: "请输入您的账号" }],
  password: [{ required: true, trigger: "blur", message: "请输入您的密码" }],
  code: [{ required: true, trigger: "change", message: "请输入验证码" }],
};

const getCode = async () => {
  let result = await requestUtil.get("/captcha");
  loginForm.value.uuid = result.data.uuid;
  codeUrl.value = result.data.base64Img;
};

const handleLogin = () => {
  loginRef.value.validate(async (valid) => {
    if (valid) {
      // 勾选了需要记住密码设置在 cookie 中设置记住用户名和密码
      if (loginForm.value.rememberMe) {
        Cookies.set("username", loginForm.value.username, { expires: 30 });
        Cookies.set("password", encrypt(loginForm.value.password), { expires: 30 });
        Cookies.set("rememberMe", loginForm.value.rememberMe, { expires: 30 });
      } else {
        // 否则移除
        Cookies.remove("username");
        Cookies.remove("password");
        Cookies.remove("rememberMe");
      }

      try {
        let result = await requestUtil.post("login?" + qs.stringify(loginForm.value));
        let data = result.data;
        if (data.code == 200) {
          const token = data.authorization;
          const menuList = data.menuList;
          const perms = data.perms;
          const currentUser = data.currentUser;

          // console.log("token="+token);
          store.commit("SET_TOKEN", token);

          store.commit("SET_MENULIST", menuList);

          store.commit("SET_PERMS", perms);

          store.commit("SET_USERINFO", currentUser);

          // bindRoute(menuList);

          router.replace("/");
          // ElMessage.success("登录成功")

          // window.sessionStorage.setItem("token",data.token);
          //  window.sessionStorage.setItem("userInfo",JSON.stringify(form.value))
          //  router.replace("/")
        } else {
          ElMessage.error(data.msg);
        }
      } catch (err) {
        console.log("error:" + err);
        ElMessage.error("服务器出错，请联系管理员！");
      }
    } else {
      console.log("验证失败");
    }
  });
};

function getCookie() {
  const username = Cookies.get("username");
  const password = Cookies.get("password");
  const rememberMe = Cookies.get("rememberMe");
  loginForm.value = {
    username: username === undefined ? loginForm.value.username : username,
    password: password === undefined ? loginForm.value.password : decrypt(password),
    rememberMe: rememberMe === undefined ? false : Boolean(rememberMe),
  };
}

const bindRoute = (menuList) => {
  console.log(menuList);
  let newRoutes = router.options.routes;
  menuList.forEach((menu) => {
    if (menu.children) {
      menu.children.forEach((m) => {
        // 菜单转成路由
        let route = menuToRoute(m, menu.name);
        if (route) {
          newRoutes[0].children.push(route); // 添加到路由管理
        }
      });
    }
  });
  // 重新添加到路由
  newRoutes.forEach((route) => {
    router.addRoute(route);
  });
};

// 菜单转成路由
const menuToRoute = (menu, parentName) => {
  if (!menu.component) {
    return null;
  } else {
    let route = {
      name: menu.name,
      path: menu.path,
      meta: {
        parentName: parentName,
      },
    };
    route.component = () => import("@/views/" + menu.component + ".vue");

    return route;
  }
};

const menuList = store.getters.GET_MENULIST;
const token = store.getters.GET_TOKEN;

console.log(typeof menuList);
if (token) {
  console.log("动态绑定路由");
  bindRoute(menuList); // 动态绑定路由
}

getCode();
getCookie();
</script>

<style lang="scss" scoped>
a {
  color: white;
}

.div {
  width: 100%;
  height: 100%;
  background-image: url("../assets/images/login.svg");
  background-size: auto;
}

.login {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  position: relative;
  height: 100%;
  background-image: url("../assets/images/login-background.svg");
  background-size: auto;
  background-repeat: no-repeat;
}

.title {
  margin: 0px auto 30px auto;
  text-align: center;
  color: #707070;
  font-size: 18px;
  font-weight: 700;
}

.login-form {
  position: absolute;
  right: 10%;
  border-radius: 6px;
  background: rgb(51, 76, 66, 0.3);
  box-shadow: 3px 3px 10px rgb(51, 76, 66, 0.3);
  width: 400px;
  padding: 25px 25px 5px 25px;

  .el-input {
    height: 40px;

    input {
      display: inline-block;
      height: 40px;
    }
  }

  .input-icon {
    height: 39px;
    width: 14px;
    margin-left: 0px;
  }
}

.login-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}

.login-code {
  width: 33%;
  height: 40px;
  float: right;

  img {
    cursor: pointer;
    vertical-align: middle;
  }
}

.el-login-footer {
  height: 40px;
  line-height: 40px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: #fff;
  font-family: Arial;
  font-size: 12px;
  letter-spacing: 1px;
}

.login-code-img {
  height: 40px;
  padding-left: 12px;
}</style>
